🏷️ Basic Information Identification Make: International Harvester Model: B275 / B414 Codes Model Codes: B275, B414 👋 Introduction Market Position Target Audience: Owners, operators, and maintenance personnel of International Harvester B275 and B414 tractors. Competitive Analysis Value Proposition: Provides essential technical information for maintaining and repairing these classic agricultural tractors, extending their operational lifespan and ensuring efficient performance. Key Features Manual Purpose: To offer detailed guidance for all service, repair, and maintenance operations required for IH B275 and B414 tractors. 📋 Manual Details Coverage Areas Manual Type: Service Repair Manual Language: English Format: PDF Page Count Estimated Pages: Typically between 200-400 pages, depending on the completeness of the original documentation compiled. 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, fuel system, lubrication system, cooling system, starting system, charging system, exhaust system, ignition system (for petrol variants), cylinder head, crankshaft, camshaft, pistons, connecting rods, engine disassembly and reassembly. Transmission Drivetrain: Clutch, gearbox (gear changes, shifting mechanisms), differential, rear axle, final drive, power take-off (PTO) unit, drive shafts, universal joints. Hydraulic Systems: Hydraulic pump, hydraulic lift (3-point linkage), control valve, hydraulic cylinders, hydraulic fluid specifications and maintenance, troubleshooting hydraulic issues. Braking System: Brake pedal, brake linkages, drum brakes (front and rear), brake shoe adjustment, brake fluid specifications, troubleshooting brake problems. Steering System: Steering wheel, steering column, steering box, tie rods, kingpins, troubleshooting steering play and stiffness. Electrical System: Wiring diagrams, battery, starter motor, generator/alternator, lighting system, ignition coil, distributor, spark plugs (for petrol), electrical component testing, fault finding. Chassis Bodywork: Frame, front axle, fenders, seat, steering console, general body maintenance and adjustment. Power Take Off Pto: Maintenance, adjustment, and overhaul of the PTO shaft, clutch engagement, and gearbox. Procedures Included Maintenance Procedures: Regular servicing, oil changes, filter replacements, greasing points, lubrication schedule, coolant checks, tire pressure, battery maintenance, brake adjustments, clutch adjustments. Repair Procedures: Engine overhaul, transmission repairs, clutch replacement, brake system repairs, hydraulic system servicing, PTO unit overhauls, steering box refurbishment, starter and generator repairs. Troubleshooting: Diagnostic charts for common problems, step-by-step fault finding for engine, transmission, hydraulic, electrical, and braking systems. Technical Specifications: Torque values for critical fasteners, clearances for engine components, fluid capacities, electrical system specifications, dimension data. Engine Timings: Detailed instructions for setting injection pump timing and valve clearances. Technical Depth Depth Of Information: Comprehensive, covering routine maintenance, component-level repair, system diagnostics, and complete unit overhauls. Suitable for both amateur mechanics and professional technicians. Manual Type Detail Coverage Scope: This is a comprehensive service and repair manual, designed for technicians and knowledgeable owners to perform all maintenance and repair tasks. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Searchable text content allowing quick access to specific information. Printability: Printable pages for use in the workshop environment. Resolution: High-resolution scans of original documentation, ensuring clarity of diagrams and text. Binding Type Format Detail: Digital PDF, allowing for easy navigation and searching. Not a physical binding. Paper Type Scan Quality: High-quality scan of original printed manual, ensuring legibility of all text, diagrams, and illustrations. ⚙️ Engine Specifications Primary Engine Engine Type: Direct injection, four-stroke diesel engine. (Note: Specific engine models varied; this manual likely covers common configurations). Performance Bore Stroke: Typical for the era; specific figures would be in the manual. For B275, a 3.25 x 3.75 inch bore and stroke is common for its engine. For B414, a 3.75 x 4.25 inch bore and stroke is common. Displacement B275: Approximately 2.7 liters (164 cubic inches) Displacement B414: Approximately 4.1 liters (250 cubic inches) Horsepower B275: Around 35-40 PTO horsepower (varies by specific engine variant). Horsepower B414: Around 45-50 PTO horsepower (varies by specific engine variant). Torque B414: Approx. 150-170 lb-ft at peak torque, depending on specific engine configuration. Fuel System Fuel Type: Diesel Injection System: Bosch (likely) rotary or inline injection pump, direct injection. Cooling System Cooling Method: Water-cooled, with thermostat and fan. Lubrication System Oil Type: API CD or CE rated diesel engine oil, SAE 30 or 10W-30 depending on ambient temperature. Specific viscosity recommendations in manual. Engine Codes Engine Identification: Engine serial number location and interpretation for proper part identification. 🔧 Transmission Standard Gearbox Type: Constant mesh, sliding gear transmission with multiple forward and reverse gears. Optional Additional Gear Options: Often featured a creeper gear or other specialized gear sets for slow-speed operations. Features Pto Gears: Standard 540 RPM PTO, potentially with options for other speeds or ground speed PTO. Transmission Fluid: Universal Tractor Transmission Oil (UTTO) or API GL-4 gear oil. Manual will specify exact type and capacity. Differential Lock: Likely equipped with a mechanical differential lock for improved traction. 📐 Dimensions Exterior Wheelbase: Varies by model, typically around 78-80 inches for B275 and 82-84 inches for B414. Overall Length: Approx. 115-125 inches. Overall Width: Approx. 65-75 inches (adjustable rear track). Weights Operating Weight: Approx. 3,500 - 4,500 lbs (without ballast)....